This tool will make email headers human readable by parsing them according to RFC 822. Email headers are present on every email you receive via the Internet and can provide valuable diagnostic.

Insert the message header you would like to analyze Analyze headers

Trace any email's origin in seconds. Paste headers to reveal sender IP address, geographic location on map, SPF/DKIM/DMARC authentication results, and phishing indicators. Free no signup.

Understanding the Context

HeaderScope analyzes email headers to verify sender authenticity, detect spoofing attempts, and trace the email's journey through mail servers. Our tool checks SPF, DKIM, DMARC authentication, spam.

Analyze email headers instantly with our free email header analyzer tool. Uncover sender details, detect phishing attempts, and troubleshoot email issues.

Figure 1 Email Header Analyzer What Are Email Headers? Email headers are metadata lines prepended to every email message as it travels from sender to recipient. They contain critical.

Analyze any email header from any client, including Gmail and Outlook, to expose the IP Address & location of the sender.

Key Insights

Free online email header analyzer. Check SPF, DKIM, DMARC authentication and analyze routing hops instantly. 100% client-side, no data sent to any server.

Analyse your email message headers in human-readable format and check authentication and other records to improve deliverability.

A free email analyzer to view the SMTP conversation, ensure your SPF and DKIM are working, and check your IP against blacklists.